diff --git a/setup.py b/setup.py
index 89ac9b4..eb21e07 100644
--- a/setup.py
+++ b/setup.py
@@ -63,16 +63,18 @@
 
 include_dirs = [libcaer_include, python_paths["include"], numpy_include]
 library_dirs = [libcaer_lib, python_paths["stdlib"]]
+swig_opts = ["-I" + libcaer_include]
 if platform == "darwin":
     include_dirs += ["/usr/local/include"]
     library_dirs += ["/usr/local/lib"]
+    swig_opts += ["-I/usr/local/include"]
 
 libcaer_wrap = Extension(
     name="pyaer._libcaer_wrap",
     sources=["./pyaer/pyflags.i"],
     include_dirs=include_dirs,
     library_dirs=library_dirs,
-    swig_opts=["-I" + libcaer_include],
+    swig_opts=swig_opts,
     #  extra_compile_args=["-std=c11"],
     extra_link_args=["-lcaer"],
 )